WeavePrism

Gemini 2.5 Flash-Lite vs Grok 4.1 Fast

Gemini 2.5 Flash-Lite costs 36% less at typical usage ($0.18 vs $0.28 per 1M tokens). Grok 4.1 Fast scores higher on 11 of 11 tasks.

SpecGemini 2.5 Flash-LiteGrok 4.1 Fast
Input /1M$0.10$0.20
Output /1M$0.40$0.50
Typical /1M$0.18$0.28
Context window1M2M
SpeedBlazingFast
PrivacyStandardStandard
Open weightsNoNo
Gemini 2.5 Flash-Lite
Steady since we started tracking (Jul 13, 2026)
Steady since we started tracking (Jul 13, 2026)
Grok 4.1 Fast
Steady since we started tracking (Jul 13, 2026)
Steady since we started tracking (Jul 13, 2026)

Quality by task

Coding70/82
Agents62/84
Reasoning70/84
Writing74/82
Chat79/86
Classify82/84
Extract79/84
Summarize80/85
Translate82/84
Vision80/84
General74/83

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Prices are list $/1M tokens, hand-maintained from public provider pricing. Task scores are benchmark-informed 0-100 estimates, not gospel — validate on your own evals before moving production traffic. Not affiliated with any model provider.